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Title: Purified plasmonic lasing with strong polarization selectivity by reflection
Authors: Li, Guangyuan
Liu, Xinfeng
Wang, Xingzhi
Yuan, Yanwen
Sum, Tze Chien
Xiong, Qihua
Keywords: Science::Physics
Issue Date: 2015
Source: Li, G., Liu, X., Wang, X., Yuan, Y., Sum, T. C., & Xiong, Q. (2015). Purified plasmonic lasing with strong polarization selectivity by reflection. Optics Express, 23(12), 15657-15669. doi:10.1364/OE.23.015657
Journal: Optics Express
Abstract: As miniaturized light sources of size beyond the optical diffraction limit, surface plasmon lasers are of particular interest for numerous exciting applications. Although convincing demonstrations of plasmonic lasing have been reported with the metal-insulator-semiconductor (MIS) hybrid design using semiconductor nanomaterials, it remains a challenge that conventional photonic lasing may be triggered and misinterpreted as plasmonic lasing. One way to address this issue is to cut off photonic modes in the waveguide by strictly restricting the semiconductor thickness. Here we propose a novel hybrid design, namely the dielectric-metal-insulator-semiconductor (DMIS) design that potentially solves the challenge. Taking advantage of strong polarization selectivity by reflection effect in favor of the plasmonic mode, whispering-gallery mode cavities based on the proposed DMIS design suppress possible photonic lasing modes and relieve the semiconductor thickness for purified plasmonic lasing. Using these cavities, we demonstrate room-temperature purified plasmon lasing with cadmium sulphide square nanobelts atop of a deposited multilayer film. Approaches for further improvement of the plamsonic lasing performance are discussed. Our design provides a reliable platform for developing better surface plasmon nanolasers using new semiconductor nanomaterials.
ISSN: 1094-4087
DOI: 10.1364/OE.23.015657
Rights: © 2015 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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